Apotheosis of Hercules gem
Apotheothis of Hercules Poniatowski gem
Engraved gem with scene of Hercules carried by the Eagle of Zeus
Italian, Neo-Classical, late 18th Century.
Carnelian, length of gem: 1 1/8 inches, 3cm
Set into an 18k gold necklace by Bulgari, ca 1980's
Gem originally from the Poniatowski Collection, sold Christies London, 1839, no. 420. The Wellington Gems 1977, S.J. Phillips, London.
For complete information see my blog post: http://tomswope.blogspot.com/2016/02/another-poniatowski-gem.html